Due To Unavailability of ReadTimeOut Parameter, WebLogic Portal (WLP) Application Configured for LDAP UUP Hangs when External LDAP Server Stops Responding (Doc ID 1207153.1)

Last updated on JANUARY 03, 2017

Applies to:

Oracle WebLogic Portal - Version 10.3.0 and later
Information in this document applies to any platform.

Symptoms

The LDAP UUP configured with WebLogic Portal Application hangs instead of throwing timeout exception when the external LDAP server stops responding. It causes stuck threads with below stack trace:

waiting for lock netscape.ldap.LDAPSearchListener@a9119b WAITING
java.lang.Object.wait(Native Method) java.lang.Object.wait(Object.java:485)
netscape.ldap.LDAPMessageQueue.waitForMessage(LDAPMessageQueue.java:200)
netscape.ldap.LDAPMessageQueue.waitFirstMessage(LDAPMessageQueue.java:101)
netscape.ldap.LDAPConnection.sendRequest(LDAPConnection.java:1796)
netscape.ldap.LDAPConnection.search(LDAPConnection.java:2566)

Cause

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